If you are looking to use it on a 1.6.4 or earlier version of FTB, forgeirc still works just fine (it's on all my servers), not sure about 1.7.2 yet though.
If you are looking to use it on a 1.6.4 or earlier version of FTB, forgeirc still works just fine (it's on all my servers), not sure about 1.7.2 yet though.